Remeha Gas 310 / 610 Eco Pro (550 / 550duo) Fault Codes

Regular Natural GasLPG 550 kW 2010-present

GC Numbers: 41-311-8241-311-87

The fault code is already on your display

Note it down before pressing reset — resetting clears the code immediately. How to read fault codes →

Most common fault codes

Code	Severity	Plain English	DIY
end of green zone; (no rotation of color disc)	High	Your boiler has lost power or is not receiving a signal to start heating, causing the mechanical status indicator to stop moving.	Yes
end of yellow zone; begin of green zone	High	Your boiler is failing to light the main burner, which means it cannot heat your water or radiators.	Engineer
end of yellow zone; begin of red zone	High	Your boiler is failing to light the small test flame needed to start the main burner, meaning your heating and hot water will not work.	Engineer
Green zone; end of green zone	High	Your boiler is struggling to light or keep its main flame burning steadily, which is preventing it from heating properly.	Engineer
red zone	High	Your boiler is failing to light properly because the internal pilot flame is being lost or is too weak to stay on.	Engineer

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